User ZZP

11 votes

1 answer

497 views

Sign of the function $f(n)=\sum_{k=1}^n\frac{\mu(k)}{k}$

asked Aug 6, 2020 at 18:29

7 votes

1 answer

508 views

Field of definition of elliptic curves

asked May 5 at 19:49

5 votes

1 answer

253 views

Rational isogenies of prime degree $p\in\{11,17,19,37,43,67,163\}$

asked May 25 at 21:18

5 votes

1 answer

92 views

Is there any relationships between path cover number and chromatic number?

asked Mar 28, 2022 at 6:31

3 votes

1 answer

205 views

Property of the spanning tree with minimal leaves

asked Mar 25, 2022 at 10:31

2 votes

0 answers

135 views

Tensor product of finite extensions of $\mathbb{Q}_p$

asked Apr 13 at 20:15

2 votes

1 answer

216 views

Bounding the sum $f(x)=-\frac{x}{2}+\sum_{p\le x}\log(p)-\frac{1}{x}\sum_{p\le x}p\cdot \log(p)$

asked May 12 at 19:30

2 votes

0 answers

410 views

On two "versions" of abc conjecture

asked May 19 at 22:49

2 votes

1 answer

239 views

Cohomology of torsion points on elliptic curves

asked Oct 21 at 14:20

2 votes

1 answer

96 views

For estimation on the integral $g(t)=\int_{-t}^{t}\left\vert\sum_{k=1}^Ne^{ikx}\right\rvert^2dx$ for small $t>0$

asked May 1, 2022 at 16:51

2 votes

1 answer

207 views

The best estimation of the function $\vartheta(x;q,a)$

asked Sep 9, 2020 at 17:12

2 votes

1 answer

396 views

Best known upper bound for the Ramsey function $R(k,x)$

asked Mar 20, 2021 at 18:08

1 vote

1 answer

95 views

Decide the order of of an integration involving the $\log$ function

asked Apr 15, 2021 at 17:43

1 vote

1 answer

119 views

Does a strict 2-balanced graph must to be strict balanced?

asked Dec 14, 2021 at 16:32

1 vote

0 answers

107 views

Ramification of mod $\ell$ representation of elliptic curves [closed]

asked Feb 12 at 17:37

0 votes

1 answer

218 views

Asymptotic behavior of the sum $\sum_{k\le x}\frac{1}{\varphi(k)}$

asked May 1, 2022 at 13:54

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16 Questions

Sign of the function $f(n)=\sum_{k=1}^n\frac{\mu(k)}{k}$

Field of definition of elliptic curves

Rational isogenies of prime degree $p\in\{11,17,19,37,43,67,163\}$

Is there any relationships between path cover number and chromatic number?

Property of the spanning tree with minimal leaves

Tensor product of finite extensions of $\mathbb{Q}_p$

Bounding the sum $f(x)=-\frac{x}{2}+\sum_{p\le x}\log(p)-\frac{1}{x}\sum_{p\le x}p\cdot \log(p)$

On two "versions" of abc conjecture

Cohomology of torsion points on elliptic curves

For estimation on the integral $g(t)=\int_{-t}^{t}\left\vert\sum_{k=1}^Ne^{ikx}\right\rvert^2dx$ for small $t>0$

The best estimation of the function $\vartheta(x;q,a)$

Best known upper bound for the Ramsey function $R(k,x)$

Decide the order of of an integration involving the $\log$ function

Does a strict 2-balanced graph must to be strict balanced?

Ramification of mod $\ell$ representation of elliptic curves [closed]

Asymptotic behavior of the sum $\sum_{k\le x}\frac{1}{\varphi(k)}$